A Micro-Randomized Trial to Optimize Just-in-Time Adaptive Intervention for Binge Eating & Weight-related Behaviors

Northwestern University

Status: Enrolling

Conditions: Binge Eating; Obesity

Treatments: Behavioral: FoodSteps behavioral intervention

Study type: Interventional

Funder types: Other; NIH

Identifiers

NCT06349460

STU00216998

R01DK133300 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

The purpose of this study is to conduct a micro-randomized trial to learn which evidence-based targets within a mobile intervention for binge eating and weight-related behaviors are most impactful for which people and in what sequence.

Enrollment: 300 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Adults age 18 years or older
• Obesity (BMI ≥30)
• Recurrent binge eating (≥12 episodes in the past 3 months)
• Interested in losing weight and reducing binge eating
• Willing to use a mobile application
• Has a smartphone with Internet access and capacity for calls and text messaging
• Has a valid email address
• Has access to a scale
• Not pregnant
• English-speaking

Exclusion criteria

• Diagnosis for which the study/intervention is not clinically indicated
• Not currently receiving clinical services for weight management or binge eating

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Sequential Assignment

Masking: None (Open label)

---

300 participants in 10 patient groups

Increase healthy eating behaviors - Assigned

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Increase healthy eating behaviors - Recommended

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Increase physical activity - Assigned

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Increase physical activity - Recommended

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Limit unhealthy dieting behaviors - Assigned

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Limit unhealthy dieting behaviors - Recommended

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Improve self-image - Assigned

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Improve self-image - Recommended

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Improve mood - Assigned

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention

Improve mood - Recommended

Experimental group

Treatment:

Behavioral: FoodSteps behavioral intervention